East Fork Foss Falls is a waterfall on East Fork Foss River in King County, Washington, in the North Cascades region, with a total height of about 200 feet. It lies about 25.1 miles west of Leavenworth and roughly 41.2 miles east of Sammamish as the crow flies.
At 200 feet it stands in the tallest quarter of Washington’s 941 waterfalls with a recorded height, ranking 199th; the typical Washington waterfall is about 82 feet.
The North Cascades are a wilderness of jagged peaks, glaciers and deep, forested valleys of western hemlock, silver fir and Douglas fir, with some of the heaviest snowfall in the country. Meltwater from glaciers and snowfields pours down thousands of feet of cliffs in countless cascades and horsetail falls. East Fork Foss River carries 2 recorded waterfalls, and East Fork Foss Falls is the tallest of them.
There are 236 recorded waterfalls in King County. Pea Soup Falls, a cascade waterfall, is about 1.2 miles away. Marmot Lake Falls, is about 1.9 miles away. Waterfall 25 mi E of Tanner, is about 2.1 miles away.
East Fork Foss Falls is located at 47.5917° N, 121.1992° W. The listing is based on the World Waterfall Database, one of the sources compiled by the U.S. Geological Survey in its inventory of waterfalls and rapids of the conterminous United States. The creek name is confirmed against the federal Geographic Names Information System. The exact position has not yet been verified on aerial imagery, so treat the map pin as approximate. Details on trails, parking and access have not been documented for this waterfall yet.